Surface Roughness of CoCr and ZrO<sub>2</sub> Femoral Heads with Metal Transfer: A Retrieval and Wear Simulator Study

<table>The OrthoPod wear simulator with mounted CoCr test head and transfer disc.</table>

International Journal of Biomaterials

Figure 2: Surface Roughness of CoCr and ZrO<sub>2</sub> Femoral Heads with Metal Transfer: A Retrieval and Wear Simulator Study 